a.permalink {
  padding: 0 .5em;
  text-decoration: none;
  visibility: hidden;
}
h2:hover > a.permalink, h3:hover > a.permalink {
  background: inherit;
  color: #0044B3;
  text-decoration: none;
  visibility: visible;
}
/* workaround for MoinMoin's default style */
dl.man_dl > dt {
  font-weight: normal;
}